Process of coloring leather and products thereof.



A .tanned skin or portion of a skin and first drained sufiiciently tofree itof superfluous lilo Drawing.

and particularly pointed out in the claims,

and there on the flesh side of the skin :1

taken out, draining otl' superfluous dye and placed in water, preferablycold, and the cords or tw ne used in tying are'removed,

out further treatment.

Application filed April 13,

PRoCESs or CoLORING LEATHER AND rnonucrs Tamra specification of LettersPatent. Patented Sept}. 13, 1910.

1910.- Serial No. 555,189.

To all whom it may concern: I

' Be it known that I, lt'lixnoitnn'r M. GREGG, a citizen of the UnitedStates, residing at Brooklyn, in the county of Queens, State. of NewYork, have invented certain new and-useful Improvements in Processes ofColoring Leather and Products 'lhereof, of which the following is adescription.

My invention relates to a process ofcoloring the surface of leather andto the article produced by the process,

My invention has for its object to produce 'byimu-iersing leather in abath of dye a widely and irregularly variegated colored surface, andmyinvention consists in the process andv article hereinafter described Incarrying out my invention I take a soften it by wetting it thoroughly inwater, preferably cold water. 1 then place here number of. smallarticles such as spools, marbles, pebbles, buttons or the like, andgather the leather about each one, or it may be two or more together,and tie it with cord or twine sutliciently to retain the article withinthe skin. I also gather the portions' of the skin not occupied by thearticles described into bunches of preferably irregular shape; The skinthus tied and whilestill wet is then imn'iersed in a bath of dye of thecolor desired and allowed to remain a few minutes only. It is then theskin thoroughly washed and stretched while wet so as to leave it smoothand comparatively flat, and dried. \Vhen thoroughly dried the skin maybe finished with a coat of spirit varnish or in any other convenientway, or if desired may be left with- The dye used may be any dyesuitable for coloring leather suchas the acid or basic dyes commonlyused.

If desired to produce leather having two or more shades, the tiedskinafter being immersed in a bath of one color should be dye and eitherwith or without rinsing, is then, while still wet, immersed in a bath ofthe other color desired and thenrtaken out,

The tying of the skin may be more or less r pending upon the extent to'which tightvde it is desired to have the color of the skin as tannedappear oncthe surface after dyeing.

The surface of the skin treated as 'above described presents a widelyand irregularly variegated eflect due to the fact that by the tying oftheskin iii-bunches it is in parts more or less protected froiu'theaction of the dye, as well as to the fact that inparts the skin is ormay be stretched more or less tightly about the articles placed on itsflesh side while in other parts ltllS not stretched. lftied tightly moreor less oftthe color of the undycd tanned skin will appear on thefinished. product shading off into the color of the dye. v 1

The most desirable results are obtained where the articles tied in' andthetbunches formed as above described are arranged with little or noattempt at regularity.-

It a ring thus described my invention, what I claim is:

1. The herein described process of eolor ing skins which consists inwetting the skin,

gathering it in irregular bunches,tyingthe bunches, immersing the skinso tied 'while still wet in a bath of dye, removing the skin fromjthebath and smoothing out while still wet, and drying.

- 2. The herein described process of-eoloring skins which consists inwettih theskin, placing an article on the flesh-s1de tif-lthe skin,gathering the skin in a bunch abofit the article, tying the bunch soformed, immersing the skin so tied while still wet in a. bath of dye,removing the skin from the bath,

untying while still wet, smoothing out and drying. v

3. The herein described process of color.- ing skins which consists inwetting the skin, gathering it in irregular bunches, tying the bunches,immersingfthe skin so tied, while still wet, inaba'th of dye, removingthe skin from the bath, immersing it while still tied and wet in asecond bath of dye, uutying and smoothing out while still-wet and drymg.

4. Leather having the variegated colored surface herein describedprodycea by wet-

